package info.sgu.ttdt;

import info.androidhive.slidingmenu.R;
import info.sgu.ttdt.adapter.DatabaseHelper;
import info.sgu.ttdt.adapter.NavDrawerListAdapter;
import info.sgu.ttdt.model.NavDrawerItem;

import java.util.ArrayList;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.widget.DrawerLayout;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;

public class MainActivity extends Activity {
	private DrawerLayout mDrawerLayout;
	private ListView mDrawerList;
	private ActionBarDrawerToggle mDrawerToggle;

	// nav drawer title
	private CharSequence mDrawerTitle;

	// used to store app title
	private CharSequence mTitle;

	// slide menu items
	private String[] navMenuTitles;
	private TypedArray navMenuIcons;

	private ArrayList<NavDrawerItem> navDrawerItems;
	private NavDrawerListAdapter adapter;
	private boolean doubleBackToExitPressedOnce = false;
	
	@Override
	public void onBackPressed() {
	    if (doubleBackToExitPressedOnce) {
	        super.onBackPressed();
	        return;
	    }

	    this.doubleBackToExitPressedOnce = true;
	    Toast.makeText(this, "Nhấn Back thêm lần nữa để thoát", Toast.LENGTH_SHORT).show();

	    new Handler().postDelayed(new Runnable() {

	        @Override
	        public void run() {
	            doubleBackToExitPressedOnce=false;                       
	        }
	    }, 2000);
	} 
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		mTitle = mDrawerTitle = getTitle();

		// load slide menu items
		navMenuTitles = getResources().getStringArray(R.array.nav_drawer_items);

		// nav drawer icons from resources
		navMenuIcons = getResources()
				.obtainTypedArray(R.array.nav_drawer_icons);

		mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
		mDrawerList = (ListView) findViewById(R.id.list_slidermenu);

		navDrawerItems = new ArrayList<NavDrawerItem>();

		// adding nav drawer items to array
		// Trang chu
		navDrawerItems.add(new NavDrawerItem(navMenuTitles[0], navMenuIcons
				.getResourceId(0, -1)));
		// Tai khoan
		DatabaseHelper db = new DatabaseHelper(getApplicationContext());
		int num = db.numberTaiKhoan();
		navDrawerItems.add(new NavDrawerItem(navMenuTitles[1], navMenuIcons
				.getResourceId(1, -1), true, num+""));
		// Thoi khoa bieu
		navDrawerItems.add(new NavDrawerItem(navMenuTitles[2], navMenuIcons
				.getResourceId(2, -1)));
		// Xem diem
		navDrawerItems.add(new NavDrawerItem(navMenuTitles[3], navMenuIcons
				.getResourceId(3, -1)));
		// Xem lich thi
		navDrawerItems.add(new NavDrawerItem(navMenuTitles[4], navMenuIcons
				.getResourceId(4, -1)));
		// Book mark
		navDrawerItems.add(new NavDrawerItem(navMenuTitles[5], navMenuIcons
				.getResourceId(5, -1)));
		// Gioi thieu
		navDrawerItems.add(new NavDrawerItem(navMenuTitles[6], navMenuIcons
				.getResourceId(6, -1)));
		// Dong ung dung
		navDrawerItems.add(new NavDrawerItem(navMenuTitles[7], navMenuIcons
				.getResourceId(7, -1)));
		// Recycle the typed array
		navMenuIcons.recycle();

		mDrawerList.setOnItemClickListener(new SlideMenuClickListener());

		// setting the nav drawer list adapter
		adapter = new NavDrawerListAdapter(getApplicationContext(),
				navDrawerItems);
		mDrawerList.setAdapter(adapter);

		// enabling action bar app icon and behaving it as toggle button
		getActionBar().setDisplayHomeAsUpEnabled(true);
		getActionBar().setHomeButtonEnabled(true);

		mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
				R.drawable.ic_drawer, // nav menu toggle icon
				R.string.app_name, // nav drawer open - description for
									// accessibility
				R.string.app_name // nav drawer close - description for
									// accessibility
		) {
			@Override
			public void onDrawerClosed(View view) {
				getActionBar().setTitle(mTitle);
				// calling onPrepareOptionsMenu() to show action bar icons
				invalidateOptionsMenu();
			}

			@Override
			public void onDrawerOpened(View drawerView) {
				getActionBar().setTitle(mDrawerTitle);
				// calling onPrepareOptionsMenu() to hide action bar icons
				invalidateOptionsMenu();
			}
		};
		mDrawerLayout.setDrawerListener(mDrawerToggle);

		SharedPreferences settings = getApplicationContext().getSharedPreferences("UserInfo", 0);
		//Log.w("abc", settings.getInt("type", -1) +"");
		if(settings.getInt("type", -1) != -1)
		{
			//Log.w("abc", settings.getInt("type", -1) +" 123");
			displayView(settings.getInt("type", 0));
		}
		else
		{
			if (savedInstanceState == null) {
				// on first time display view for first nav item
				displayView(0);
			}
		}
		
	}

	/**
	 * Slide menu item click listener
	 * */
	private class SlideMenuClickListener implements
			ListView.OnItemClickListener {
		@Override
		public void onItemClick(AdapterView<?> parent, View view, int position,
				long id) {
			// display view for selected nav drawer item
			displayView(position);
		}
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		// toggle nav drawer on selecting action bar app icon/title
		if (mDrawerToggle.onOptionsItemSelected(item)) {
			return true;
		}
		// Handle action bar actions click
		switch (item.getItemId()) {
		case R.id.action_settings:
			return true;
		default:
			return super.onOptionsItemSelected(item);
		}
	}

	/* *
	 * Called when invalidateOptionsMenu() is triggered
	 */
	@Override
	public boolean onPrepareOptionsMenu(Menu menu) {
		// if nav drawer is opened, hide the action items
		boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
		menu.findItem(R.id.action_settings).setVisible(!drawerOpen);
		return super.onPrepareOptionsMenu(menu);
	}

	/**
	 * Diplaying fragment view for selected nav drawer list item
	 * */
	private void displayView(int position) {
		// update the main content by replacing fragments
		Fragment fragment = null;
		switch (position) {
		case 0:
			fragment = new TrangChuFragment();
			break;
		case 1:
			fragment = new TaiKhoanFragment();
			break;
		case 2:
			fragment = new ThoiKhoaBieuFragment();
			break;
		case 3:
			fragment = new DiemThiFragment();
			break;
		case 4:
			fragment = new LichThiFragment();
			break;
		case 5:
			fragment = new BookMarkFragment();
			break;
		case 6:
			fragment = new GioiThieuFragment();
			break;
		case 7:
			new AlertDialog.Builder(this).setIcon(android.R.drawable.ic_dialog_alert).setTitle("Thoát")
            .setMessage("Bạn chắc chắn muốn thoát?")
            .setPositiveButton("Thoát", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    finish();
                }
            }).setNegativeButton("Không", null).show();
			break;
		default:
			break;
		}

		if (fragment != null) {
			FragmentManager fragmentManager = getFragmentManager();
			fragmentManager.beginTransaction()
					.replace(R.id.frame_container, fragment).commit();

			// update selected item and title, then close the drawer
			mDrawerList.setItemChecked(position, true);
			mDrawerList.setSelection(position);
			setTitle(navMenuTitles[position]);
			mDrawerLayout.closeDrawer(mDrawerList);
		} else {
			// error in creating fragment
			Log.e("MainActivity", "Error in creating fragment");
		}
	}

	@Override
	public void setTitle(CharSequence title) {
		mTitle = title;
		getActionBar().setTitle(mTitle);
	}

	/**
	 * When using the ActionBarDrawerToggle, you must call it during
	 * onPostCreate() and onConfigurationChanged()...
	 */

	@Override
	protected void onPostCreate(Bundle savedInstanceState) {
		super.onPostCreate(savedInstanceState);
		// Sync the toggle state after onRestoreInstanceState has occurred.
		mDrawerToggle.syncState();
	}

	@Override
	public void onConfigurationChanged(Configuration newConfig) {
		super.onConfigurationChanged(newConfig);
		// Pass any configuration change to the drawer toggls
		mDrawerToggle.onConfigurationChanged(newConfig);
	}
	
	public void NumberAccount(int num, int pos)
	{
		navDrawerItems.get(1).setCount(num+"");
		mDrawerList.setItemChecked(1, true);
		mDrawerList.setItemChecked(pos, true);
	}
	
	public void boomarkView(int position) {
		// update the main content by replacing fragments
		Fragment fragment = null;
		switch (position) {
		case 0:
			fragment = new TrangChuFragment();
			break;
		case 1:
			fragment = new TaiKhoanFragment();
			break;
		case 2:
			fragment = new ThoiKhoaBieuFragment();
			break;
		case 3:
			fragment = new DiemThiFragment();
			break;
		case 4:
			fragment = new LichThiFragment();
			break;
		case 5:
			fragment = new BookMarkFragment();
			break;
		case 6:
			fragment = new GioiThieuFragment();
			break;

		default:
			break;
		}

		if (fragment != null) {
			FragmentManager fragmentManager = getFragmentManager();
			fragmentManager.beginTransaction()
					.replace(R.id.frame_container, fragment).commit();

			// update selected item and title, then close the drawer
			mDrawerList.setItemChecked(position, true);
			mDrawerList.setSelection(position);
			setTitle(navMenuTitles[position]);
			mDrawerLayout.closeDrawer(mDrawerList);
		} else {
			// error in creating fragment
			Log.e("MainActivity", "Error in creating fragment");
		}
	}

}
